Reference - Detail
|Author||Ueda N, Uemura Y, Zhang R, Kitayama S, Iriguchi S, Kawai Y, Yasui Y, Tatsumi M, Ueda T, Liu TY, Mizoro Y, Okada C, Watanabe A, Nakanishi M, Senju S, Nishimura Y, Kuzushima K, Kiyoi H, Naoe T, Kaneko S.|
|Title||Generation of TCR-Expressing Innate Lymphoid-like Helper Cells that Induce Cytotoxic T Cell-Mediated Anti-leukemic Cell Response.|
|Journal||Stem Cell Reports|
CD4+ T helper (Th) cell activation is essential for inducing cytotoxic T lymphocyte (CTL) responses against malignancy. We reprogrammed a Th clone specific for chronic myelogenous leukemia (CML)-derived b3a2 peptide to pluripotency and re-differentiated the cells into original TCR-expressing T-lineage cells (iPS-T cells) with gene expression patterns resembling those of group 1 innate lymphoid cells. CD4 gene transduction into iPS-T cells enhanced b3a2 peptide-specific responses via b3a2 peptide-specific TCR. iPS-T cells upregulated CD40 ligand (CD40L) expression in response to interleukin-2 and interleukin-15. In the presence of Wilms tumor 1 (WT1) peptide, antigen-specific dendritic cells (DCs) conditioned by CD4-modified CD40Lhigh iPS-T cells stimulated WT1-specific CTL priming, which eliminated WT1 peptide-expressing CML cells in vitro and in vivo. Thus, CD4 modification of CD40Lhigh iPS-T cells generates innate lymphoid helper-like cells inducing bcr-abl-specific TCR signaling that mediates effectiveanti-leukemic CTL responses via DC maturation, showing potential for adjuvant immunotherapy against leukemia.
|DNA material||pCAG-HIVgp (RDB04394) pCMV-VSV-G-RSV-Rev (RDB04393) CSII-EF-MCS (RDB04378).|